Portfolio — 5 June 2026

Treasurer Jim Chalmers drove the Treasury Laws Amendment (Tax Reform No. 1) Bill 2026 through the House on 4 June, moving the third reading at 12:29 and again at 13:07 [TA-260604-house-97eb5e75391c:s034 TA-260604-house-97eb5e75391c:s040]. The bill's passage is the centrepiece of the day's activity, and Chalmers used both the consideration-in-detail debate and question time to consolidate a single consistent message: the reform cuts income tax for more than 13 million workers, lifts average after-tax income by up to $2,816 per year, and introduces the Working Australians Tax Offset — described as the most significant permanent increase to the tax-free threshold in over a decade [TA-260604-house-97eb5e75391c:s140].

In the consideration-in-detail debate, Chalmers defended the bill's revised capital gains tax discount as one that "better reflects the real gains that people make", positioning the existing 50 per cent discount as arbitrary and distortionary. He rejected all proposed amendments — income averaging, indexation of losses, and a minimum tax — on the grounds that they would undermine market integrity, stating flatly, "we won't be supporting the amendments put forward by the member" [TA-260604-house-97eb5e75391c:s029].

He also confirmed that all four small-business CGT concessions are preserved, noting that "eligible small-business owners pay reduced or no capital gains tax when the time comes to sell," and linked this to broader budget measures delivering $3.5 billion in tax cuts for small business [TA-260604-house-97eb5e75391c:s032]. The refusal to accommodate any of the crossbench or opposition amendments across four separate motions signals a deliberate decision to hold the bill's architecture intact rather than negotiate structural changes at the margin.

In question time, Chalmers extended the reform's reach into housing policy, stating the package will help first-home buyers and aims to move tens of thousands of Australians into home ownership. This housing framing — which also featured in the consideration-in-detail debate when he accused opponents of choosing to "lock more Australians out of the housing market" — links Treasury's tax agenda explicitly to affordability pressures in the property market.

When questioned on the use of legislative instruments for tax definitions, he defended the mechanism as standard practice, subject to parliamentary disallowance, and not an extraordinary exercise of executive power [TA-260604-house-97eb5e75391c:s145].

The density of today's record is notable: Chalmers defended the same reform package across four amendment motions in consideration in detail, then restated its worker and housing benefits in question time, then completed the bill's passage through two third-reading motions. The day's activity constitutes a single coherent legislative event driven end-to-end by the Treasurer, with no indication from these records that any opposition or crossbench amendments came close to succeeding.